Datasheet

2007-04-20
2
BF999
Electrical Characteristics at T
A
= 25°C, unless otherwise specified
Parameter
Symbol Values Unit
min. typ. max.
DC Characteristics
Drain-source breakdown voltage
I
D
= 10 µA, -V
GS
= 4 V
V
(BR)DS
20 - - V
Gate-source breakdown voltage
± I
GS
= 10 mA, V
DS
= 0
±V
(BR)GSS
6.5 - 12
Gate-source leakage current
± V
GS
= 5 V, V
DS
= 0
± I
GSS
- - 50 nA
Drain current
V
DS
= 10 V, V
GS
= 0
I
DSS
5 10 16 mA
Gate-source pinch-off voltage
V
DS
= 10 V, I
D
= 20 µA
-V
GS(p)
- 0.8 1.5 V
Electrical Characteristics at T
A
= 25°C, unless otherwise specified
Parameter
Symbol Values Unit
min. typ. max.
AC Characteristics
Forward transconductance
V
DS
= 10 V, I
D
= 10 mA
g
fs
14 20 -
mS
Gate input capacitance
V
DS
= 10 V, I
D
= 10 mA, f = 10 MHz
C
gss
- 2.5 - pF
Output capacitance
V
DS
= 10 V, I
D
= 10 mA, f = 10 MHz
C
dss
- 0.9 - pF
Power gain
V
DS
= 10 V, I
D
= 10 mA, f = 45 MHz
G
p
- 27 - dB
Noise figure
V
DS
= 10 V, I
D
= 10 mA, f = 45 MHz
F
- 2.1 - dB